Across
- 2. A MATH BRANCH
- 3. congruent to the angle of elevation
- 5. the angle between a horizontal line and the line joining the observer
- 6. longest side of a right-angled
- 7. triangle in which one angle is a right angle
- 8. one of the two sides that make the angle
- 11. either the opposite or adjacent side of a right-angled triangle
- 13. trigonometric function of an angle
Down
- 1. consists of three positive integers
- 4. also referred to as an angle bisector
- 9. the ratio of the length of the adjacent side to the length of the hypotenuse
- 10. PART ON TRIANGLE
- 12. the straight line that "just touches" the curve at that point